Choke Does not automatically pull in
 

Hey Guys recently I have removed the carburetor and I had to remove the cables but I think in doing this I messed up the choke somehow. The car used to pull the choke back in by itself after about 10 minutes max if I am driving. But I drove the car yesterday and it still didnt pull in after like 30 min of driving.

I did install an aluminium radiator so maybe it is cooling more efficently and therefore the car does not get to operating temp as fast but i dont know

Thanks in advance